App crash after kill in iOS debug mode

Hi, I am running the app in debug my app works fine first time when I close app kill and reopen again its keep crashing.

Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel stable, 2.0.4, on Mac OS X 10.15.7 19H2 darwin-x64, locale en-US)
[✓] Android toolchain - develop for Android devices (Android SDK version 30.0.3)
[✓] Xcode - develop for iOS and macOS
[✓] Chrome - develop for the web
[✓] Android Studio (version 4.1)
[✓] Connected device (3 available)

• No issues found!
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Hello Linker, it very normal because the app run in debug.
You can refer here https://flutter.dev/docs/development/ios-14

Try run your app in release mode
if you are using android studio, go to menu and select RUN > Flutter Run main.dart in Release Mode or you can use this
flutter run --release

Hi, Thanks for the reply problem I am getting in --release mode my most of the screens are not working properly most screens missing not showing. is any solution for this.